Features: -Three color temperatures are adjustable, white, warm, cool white. Long press to adjust brightness. -Built-in 2600mAh rechargeable lithium battery, can last 8-10 hours. -Aluminum lamp body, electroplating process, wear-resistant and anti-corrosion, strong and durable. High-quality LED light source, uniform light emission, soft and eye-friendly. Specification: Colour: black Size: 13*28.5cm Battery capacity: 2600mAh Material: aluminum Package Included: 1x Desk lamp 1x USB charging cable .